How is rendering done?
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Rendering is a process that should be done by a professional. Unfortunately, rendering isn't really something that you can really patch up if part of it isn't quite right, and it's tricky to get the consistency and application done right.
Step 1: Preparation of the surface
Before the render is applied, the surface must be prepared. Dirt and grime removed, including any mould or (if outside) remaining tendrils from climbing plants. Render will not stick to paint so paint must also be removed, and any loose and old render too. Depending on the surface, it may also need to be roughened using sandpaper or other tools (like BondCrete) to increase the likelihood of a good application.
Step 2: Check the weather
Rendering shouldn't be done in direct sunlight or on highly windy days, as the render will dry too fast and cracks will appear.
Step 3: Wet the area
The wall needs to be damp but not too wet before application.
Step 4: Application and layering
Render is applied (usually with a trowel but occasionally with a roller), sometimes in two or three layers (depending on which type of render is chosen). There is also sometimes a process of wetting the render between coats.
Step 5: Painting
If you've chosen to paint the render, then the last step after drying is painting.
What kinds of render are there?
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Rendering is SO difficult - we tried to DIY and had to try it 3 times before giving up and calling the professionals... The stuff doesn't stick, then it does but it cracks, then you fix the cracks and get new ones. NIGHTMARE! Apparently if we'd used an acrylic render it would have been easier but still, massive fail...
over a year ago by FredM
Plastering Quotes
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